See Also: ileum(medicine)
Ileum(health)
ileum(dictionary)
ileum(encyclopedia)
intestinum ileum(medicine)
arterial arches of ileum(medicine)
sphincteroid tract of ileum(medicine)
small bowel disease involving terminal ileum(medicine)

ileum (iou)



ileum noun. L17.
[medieval Latin, var. of ILIUM app. by confusion with ileus (see ILEUS).]
Anatomy & Zoology. The third portion of the small intestine, between the jejunum and the caecum. Also, the homologous or analogous part in lower vertebrates, insects, etc.